EP4000634A1 - Tivozanib-haltige medizinische zusammensetzung - Google Patents

Tivozanib-haltige medizinische zusammensetzung Download PDF

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EP4000634A1
EP4000634A1 EP22150617.3A EP22150617A EP4000634A1 EP 4000634 A1 EP4000634 A1 EP 4000634A1 EP 22150617 A EP22150617 A EP 22150617A EP 4000634 A1 EP4000634 A1 EP 4000634A1
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Prior art keywords
weight
parts
chloro
dimethoxyquinolin
phenyl
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EP22150617.3A
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English (en)
French (fr)
Inventor
Hiroki Haniuda
Sachiko ENOKIZONO
Tomoyuki Nakazato
Takuya Tokuda
Norie FUJIKI
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Kyowa Kirin Co Ltd
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Kyowa Kirin Co Ltd
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    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
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    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/4709—Non-condensed quinolines and containing further heterocyclic rings
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    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
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    • A61K47/6949—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit inclusion complexes, e.g. clathrates, cavitates or fullerenes
    • A61K47/6951—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit inclusion complexes, e.g. clathrates, cavitates or fullerenes using cyclodextrin
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Definitions

  • the present invention relates to a therapeutic agent for an ophthalmic disease, etc.
  • the present invention relates to a therapeutic agent for an ophthalmic disease comprising a vascular endothelial growth factor (VEGF) receptor inhibitor or an epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form, etc.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • Patent Literatures 1 to 4 disclose a pharmaceutical composition comprising an active ingredient in a nanoparticle form.
  • Patent Literatures 5 and 6 disclose a pharmaceutical composition comprising an active ingredient, such as an angiogenesis inhibitor, in a nanoparticle form.
  • Patent Literature 7 discloses a suspension formulation for eye drops containing (R)-(-)-2-(4-brom-2-fluorobenzyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-spiro-3'-pyrrolidine-1,2',3,5'-tetraone (hereinafter, referred to as "compound A”) or a physiologically acceptable salt thereof.
  • Patent Literature 7 indicates that compound A is a compound that exhibits an aldose reductase inhibitory effect, but discloses that other suspension formulations of compound B and compound C which also exhibit an aldose reductase inhibitory effect arrived at the retina only slightly. In other words, the technique disclosed in Patent Literature 7 does not indicate that nano-sizing enhances delivery to a posterior eye tissue as to all compounds.
  • Patent Literature 8 discloses an ophthalmic formulation comprising nanosized particles of nintedanib, pazopanib, or the like in a pharmaceutically effective amount.
  • Patent Literature 8 neither makes specific disclosure about the nano-sizing of nintedanib, pazopanib, or the like nor makes disclosure about any method for nano-sizing each compound.
  • An object of the present invention is to provide a therapeutic agent for an ophthalmic disease comprising a vascular endothelial growth factor (VEGF) receptor inhibitor or an epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form, etc.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the present invention is as follows:
  • the present invention can provide a therapeutic agent for an ophthalmic disease comprising a vascular endothelial growth factor (VEGF) receptor inhibitor or an epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form, etc.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the therapeutic agent for the ophthalmic disease of the present invention comprises, as an active ingredient, a vascular endothelial growth factor (VEGF) receptor inhibitor or an epidermal growth factor (EGF) receptor inhibitor having a property to be retained in a posterior eye tissue when systemically administered.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • vascular endothelial growth factor (VEGF) receptor inhibitor is not particularly limited, and a substance known in the art can be used which has inhibitory activity against vascular endothelial growth factor (VEGF) receptor and has a property to be retained in a posterior eye tissue when systemically administered.
  • the epidermal growth factor (EGF) receptor inhibitor is not particularly limited, and a substance known in the art can be used which has inhibitory activity against epidermal growth factor (EGF) receptor and has a property to be retained in a posterior eye tissue when systemically administered.
  • the therapeutic agent for the ophthalmic disease may comprise one vascular endothelial growth factor (VEGF) receptor inhibitor or may comprise two or more vascular endothelial growth factor (VEGF) receptor inhibitors.
  • VEGF vascular endothelial growth factor
  • VEGF vascular endothelial growth factor
  • the therapeutic agent for the ophthalmic disease may comprise one epidermal growth factor (EGF) receptor inhibitor or may comprise two or more epidermal growth factor (EGF) receptor inhibitors.
  • the therapeutic agent for the ophthalmic disease may comprise one or more vascular endothelial growth factor (VEGF) receptor inhibitors and one or more epidermal growth factor (EGF) receptor inhibitors.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the "posterior eye tissue" in the "property to be retained in a posterior eye tissue when systemically administered” for the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor used in the therapeutic agent for the ophthalmic disease of the present invention refers to the choroid, the retina, the sclera, or the optic nerve and preferably refers to the choroid and/or the sclera or the retina, more preferably the choroid and/or the sclera.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the "property to be retained " in the "property to be retained in a posterior eye tissue when systemically administered” for the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor used in the therapeutic agent for the ophthalmic disease of the present invention specifically means that the compound has a half-life of 30 hours or longer in the choroid and/or the sclera when administered (preferably by intravenous injection) to a Brown Norway rat.
  • the half-life in the choroid and/or the sclera is preferably 35 hours or longer, more preferably 40 hours or longer.
  • the compound that remains in the posterior eye tissue localizes longer near the target (VEGF receptor or EGF receptor) in the tissue, as compared with a compound that does not remain therein.
  • an effect based on the mechanism of action of the compound is maintained for a longer time.
  • its pharmacological effects angiogenesis inhibitory effect, suppressive effect on increase in vascular permeability, and other pharmacological effects based on the inhibitory effect on the phosphorylation of VEGF receptor or EGF receptor
  • the compound that remains in the posterior eye tissue accumulates in the tissue by continuous (repetitive) administration and increases its exposure in the tissue, as compared with a compound that does not remain therein.
  • the pharmacological effects of the compound are more strongly exerted in the posterior eye tissue.
  • Examples of the systemic administration method include, but are not particularly limited to, oral administration, intravenous injection, intramuscular injection or subcutaneous injection, sublingual administration, transnasal administration, ocular instillation, inhalation, and transdermal administration. Oral administration, intravenous injection, intramuscular injection or subcutaneous injection, or ocular instillation is preferred, and oral administration or intravenous injection is more preferred.
  • the recipient of the systemic administration is not particularly limited as long as the recipient is a mammal.
  • a monkey e.g., a cynomolgus monkey
  • a rabbit e.g., Kbl:Dutch
  • a mouse e.g., 129SVE
  • a rat e.g., Brown Norway
  • a human, a monkey, or a rat is more preferred.
  • Whether or not the compound has the property to be retained in a posterior eye tissue when systemically administered can be determined by, for example, the following approach: the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor is dissolved in an organic solvent such as dimethylacetamide (DMA) and then diluted with saline containing polyoxyethylene sorbitan monooleate (polysorbate 80 or Tween 80) or the like to prepare an intravenous dosing solution.
  • DMA dimethylacetamide
  • saline containing polyoxyethylene sorbitan monooleate (polysorbate 80 or Tween 80) or the like to prepare an intravenous dosing solution.
  • This intravenous dosing solution is administered to a Brown Norway rat. After a given interval from the administration, for example, 24, 72 and 168 hours after the administration, blood is collected.
  • the rat is euthanized while the eyeballs are excised.
  • a posterior eye tissue such as the choroid and/or the sclera, the retina, or the optic nerve is harvested therefrom.
  • a given amount of an aqueous solution containing an organic solvent e.g., a 50 vol% methanol solution
  • an organic solvent e.g., a 50 vol% methanol solution
  • the drug concentration in this assay sample can be measured using a liquid chromatograph-tandem mass spectrometer (LC/MS/MS) to measure the compound concentration in the posterior eye tissue in the case of systemic administration.
  • the elimination half-life of the compound in the posterior eye tissue can be further calculated from time-dependent change in compound concentration in the posterior eye tissue.
  • vascular endothelial growth factor (VEGF) receptor inhibitor examples include a compound represented by formula (I) or formula (II), a pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II), a hydrate of the compound represented by formula (I) or formula (II), a solvate of the compound represented by formula (I) or formula (II), a hydrate of the pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II), and a solvate of the pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II).
  • a pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II) examples include a compound represented by formula (I) or formula (II), a pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II), a hydrate of the compound represented by formula (I) or formula (II), a solvate of the compound represented by formula (I) or formula (II).
  • vascular endothelial growth factor (VEGF) receptor inhibitor examples include axitinib, cabozantinib, regorafenib, ponatinib, lenvatinib, sunitinib, sorafenib, pazopanib, vandetanib, nintedanib, ginsenoside Rg3 (Jilin Yatai Pharmaceuticals Co., Ltd.), apatinib, anlotinib, fruquintinib, famitinib, sulfatinib, muparfostat (Medigen Biotechnology Corp.), rebastinib, glesatinib, X-82 (Tyrogenex, Inc.), ODM-203 (Orion Corp.), PAN-90806 (PanOptica, Inc.), lucitanib, TAS-115 (Tai
  • examples of the vascular endothelial growth factor (VEGF) receptor inhibitor having a property to be retained in a posterior eye tissue when systemically administered include a compound represented by formula (I) or formula (II), a pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II), a hydrate of the compound represented by formula (I) or formula (II), a solvate of the compound represented by formula (I) or formula (II), a hydrate of the pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II), and a solvate of the pharmaceutically acceptable salt of the compound represented by formula (I) or formula (II).
  • Examples of the epidermal growth factor (EGF) receptor inhibitor that may be used as a therapeutic agent for an ophthalmic disease in a nanoparticle form include osimertinib, erlotinib, lapatinib, icotinib, gefitinib, afatinib, olmutinib, AZD-3759 (AstraZeneca plc), allitinib, toartinib, tesevatinib, poziotinib, dacomitinib, varlitinib, avitinib, S-222611 (Shionogi & Co., Ltd.), brigatinib, AP-32788 (ARIAD Pharmaceuticals, Inc.), neratinib, naquotinib, agerafenib, PF-06747775 (Pfizer Inc.), theliatinib, SKLB-1028 (Sichuan University), NRC
  • examples of the epidermal growth factor (EGF) receptor inhibitor having a property to be retained in a posterior eye tissue when systemically administered include avitinib, allitinib, icotinib, erlotinib, osimertinib, N-[2-[[2-(dimethylamino)ethyl]methylamino]-5-[[4-(1H-indol-3-yl)-2-pyrimidinyl]amino]-4-methoxyphenyl]-2-propanamide (AZD-5104), gefitinib, dacomitinib, tesevatinib, toartinib, varlitinib, brigatinib, poziotinib, lapatinib, 4-[(3-chloro-2-fluorophenyl)amino]-7-methoxyquinazolin-6-yl (2R)-2,4-dimethylpiperazine-1-
  • VEGF vascular endothelial growth factor
  • the vascular endothelial growth factor (VEGF) receptor inhibitor is a compound represented by formula (I), a pharmaceutically acceptable salt of the compound represented by formula (I), a hydrate of the compound represented by formula (I), a solvate of the compound represented by formula (I), a hydrate of the pharmaceutically acceptable salt of the compound represented by formula (I), or a solvate of the pharmaceutically acceptable salt of the compound represented by formula (I).
  • R 1 and R 2 are the same or different and each represent a C1-C6 alkoxy group. Each of R 1 and R 2 is preferably a methoxy group.
  • R 3 represents a halogen atom and is preferably a chlorine atom.
  • R 4 and R 5 are the same or different and each represent a hydrogen atom, a halogen atom, a C1-C4 alkyl group, a C1-C4 alkoxy group, a C1-C4 alkylthio group, a trifluoromethyl group, a nitro group or an amino group.
  • R 4 and R 5 are the same or different and each are preferably a hydrogen atom or a halogen atom, more preferably a hydrogen atom or a halogen atom, further preferably a hydrogen atom.
  • R 6 and R 7 are the same or different and each represent a hydrogen atom, a halogen atom, a C1-C4 alkyl group, a C1-C4 alkoxy group, a C1-C4 alkylthio group, a trifluoromethyl group, a nitro group, an amino group, an amino group substituted by one or two C1-C4 alkyl groups, a C1-C4 alkoxycarbonyl-C1-C4 alkyl group, a C1-C4 alkylcarbonyl group or a C3-C5 cycloalkyl group.
  • R 6 and R 7 are the same or different and each are preferably a hydrogen atom, a halogen atom, a C1-C4 alkyl group or a C1-C4 alkoxy group. More preferably, R 6 is a C1-C4 alkyl group, and R 7 is a hydrogen atom. Further preferably, R 6 is a methyl group, and R 7 is a hydrogen atom.
  • R 4 and R 5 are the same or different and each are a hydrogen atom or a halogen atom
  • R 6 and R 7 are the same or different and each are a hydrogen atom, a halogen atom or a C1-C4 alkyl group.
  • R 3 is a chlorine atom
  • R 4 and R 5 are the same or different and each are a hydrogen atom or a halogen atom
  • R 6 and R 7 are the same or different and each are a hydrogen atom, a halogen atom or a C1-C4 alkyl group.
  • R 3 is a chlorine atom
  • each of R 4 and R 5 is a hydrogen atom
  • R 6 is a C1-C4 alkyl group
  • R 7 is a hydrogen atom.
  • the vascular endothelial growth factor (VEGF) receptor inhibitor is preferably a compound represented by formula (II): or a pharmaceutically acceptable salt thereof, or a hydrate or a solvate of the compound or the salt.
  • the compound represented by formula (I) or the compound represented by formula (II) according to the present invention can be produced by a method disclosed in Japanese Unexamined Patent Application Publication No. 2003-12668 , or a method equivalent thereto.
  • vascular endothelial growth factor (VEGF) receptor inhibitor comprised in the therapeutic agent for the ophthalmic disease of the present invention is as mentioned above and includes the compound described above (free form), a pharmaceutically acceptable salt thereof, and a hydrate and a solvate of the compound or the salt.
  • vascular endothelial growth factor (VEGF) receptor inhibitor according to the present invention can be produced by a conventional method known in the art, or a method equivalent thereto.
  • vascular endothelial growth factor (VEGF) receptor inhibitor is a compound represented by formula (I) or a compound represented by formula (II)
  • the compound can be produced by a method disclosed in Japanese Unexamined Patent Application Publication No. 2003-12668 , or a method equivalent thereto.
  • the epidermal growth factor (EGF) receptor inhibitor according to the present invention can be produced by a conventional method known in the art, or a method equivalent thereto.
  • vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor used in the present invention is a pharmaceutically acceptable salt
  • examples thereof include: hydrohalides such as hydrochloride, hydrofluoride, hydrobromide, and hydroiodide; inorganic acid salts such as sulfate, phosphate, nitrate, and perchlorate; organic acid salts such as acetate, citrate, fumarate, succinate, tartrate, oxalate, maleate, malate, lactate, and ascorbate; lower alkylsulfonates such as mesylate, trifluoromethanesulfonate, and ethanesulfonate; arylsulfonates such as benzenesulfonate and tosylate; amino acid salts such as glycinate, phenylalanate, glutamate, and aspartate; alkali metal salts such as sodium salt and potassium salt; alka
  • the compound represented by formula (I) or the pharmaceutically acceptable salt thereof according to the present invention includes all of intramolecular salts and adducts thereof, solvates and hydrates of the compound, the salt, or these substances, etc.
  • vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor used in the present invention may be a compound (free form) or a pharmaceutically acceptable salt thereof, or a hydrate or a solvate of the compound or the salt.
  • the hydrate of the compound or the pharmaceutically acceptable salt is not particularly limited by the number of water molecules for hydration and can be monohydrate, dihydrate, or trihydrate.
  • the solvate of the compound or the pharmaceutically acceptable salt is not particularly limited by the number of solvent molecules for solvation and can be monosolvate, disolvate, or trisolvate.
  • Examples of the solvent for solvation include alcohols such as methanol and ethanol.
  • Examples of the solvate of the compound or the pharmaceutically acceptable salt include alcohol solvates such as methanol solvate and ethanol solvate.
  • VEGF vascular endothelial growth factor
  • the vascular endothelial growth factor (VEGF) receptor inhibitor used in the present invention is a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, or a hydrate or a solvate of the compound or the salt, a free form, an inorganic acid salt or an organic acid salt, or a hydrate of the free form or the inorganic acid salt or the organic acid salt is preferred, and hydrochloride of the compound represented by formula (I) or a hydrate of the hydrochloride of the compound represented by formula (I) is more preferred.
  • the vascular endothelial growth factor (VEGF) receptor inhibitor is more preferably hydrochloride of the compound represented by formula (II) or a hydrate of the hydrochloride of the compound represented by formula (II).
  • the therapeutic agent for the ophthalmic disease of the present invention which comprises the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form, may comprise a vascular endothelial growth factor (VEGF) receptor inhibitor or an epidermal growth factor (EGF) receptor inhibitor in a form other than the nanoparticle form.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • Examples of the form other than the nanoparticle form include a microparticle form.
  • the content of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a form other than the nanoparticle form can be 20% by mass or less of the content of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form.
  • the content of the nanoparticle form is preferably 60% by mass to 100% by mass, more preferably 70% by mass to 100% by mass, further preferably 80% by mass to 100% by mass, with respect to the total amount of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the nanoparticle form means that the substance is in a particle form of nanometer order and generally means that the substance is in a particle form having a mean particle size of 10 to 1000 nm.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the mean particle size of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form comprised in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited as long as the mean particle size is 400 nm or smaller.
  • the mean particle size is preferably 10 to 400 nm, more preferably 10 to 300 nm, further preferably 10 to 200 nm, still further preferably 20 to 180 nm or smaller, still further preferably 30 to 150 nm or smaller, particularly preferably 50 to 130 nm or smaller.
  • the method for measuring the mean particle size of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor according to the present invention is not particularly limited.
  • the measurement of the mean particle size can employ, for example, a dynamic light scattering method and can be performed under measurement conditions involving a scattering angle of 173° and a wavelength of 633 nm.
  • the method for measuring the median size (D50) of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor according to the present invention is not particularly limited.
  • the median size (D50) can be measured, for example, using a laser diffraction/scattering particle size distribution measurement apparatus under measurement conditions involving a 2 mV He-Ne laser (wavelength: 632.8 nm) focal length of 100 nm.
  • the content of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor is not particularly limited and is, for example, preferably 0.01 to 20 parts by weight, more preferably 0.01 to 15 parts by weight, further preferably 0.01 to 10 parts by weight, per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • the therapeutic agent for the ophthalmic disease of the present invention may further comprise one or more components selected from a thickening agent, a surfactant and a dispersion media, or one or more components selected from a preservative and an inclusion substance, in addition to the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the therapeutic agent for the ophthalmic disease of the present invention further comprises one or more components selected from a thickening agent, a surfactant and a dispersion media, and one or more components selected from a preservative and an inclusion substance, in addition to the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • Each of the thickening agent, the surfactant, the dispersion media, the preservative and the inclusion substance used may be one component or may be two or more components.
  • Examples of the thickening agent used in the therapeutic agent for the ophthalmic disease of the present invention include carboxyvinyl polymer, carboxymethylcellulose calcium, carboxymethylcellulose sodium, povidone (polyvinylpyrrolidone), partially hydrolyzed polyvinyl alcohol, hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxypropylmethylcellulose phthalate, hydroxyethylcellulose, amorphous cellulose, methylcellulose, magnesium aluminum silicate and triethanolamine.
  • the thickening agent is preferably polyvinyl alcohol, povidone (polyvinylpyrrolidone), hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxymethylcellulose, etc.
  • One of these thickening agents may be used alone, or two or more thereof may be used in combination.
  • the content of the thickening agent in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited and is, for example, preferably 0.01 to 5 parts by weight, more preferably 0.05 to 3 parts by weight, further preferably 0.1 to 2.5 parts by weight, per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • surfactant used in the therapeutic agent for the ophthalmic disease of the present invention examples include polyoxyethylene castor oil, polyoxyl 40 stearate, sucrose stearate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan tristearate, polyoxyethylene sorbitan monooleate (polysorbate 80 and Tween(Registered Trademark) 80), polyoxyethylene sorbitan trioleate, sorbitan monolaurate, sodium lauryl sulfate, L- ⁇ -phosphatidylcholine (PC), 1,2-dipalmitoylphosphatidylcholine (DPPC), oleic acid, natural lecithin, synthetic lecithin, polyoxyethylene oleyl ether, polyoxyethylene lauryl ether, diethylene glycol dioleate, tetrahydrofurfuryl oleate, ethyl oleate, isopropyl myristate,
  • the surfactant is preferably polyoxyethylene sorbitan monooleate or poloxamer.
  • polyoxyethylene sorbitan monooleate polysorbate 80
  • poloxamer Pluronic(Registered Trademark) F-127
  • One of these surfactants may be used alone, or two or more thereof may be used in combination.
  • the content of the surfactant in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited and is, for example, preferably 0 to 5 parts by weight, more preferably 0 to 3 parts by weight, further preferably 0 to 1.0 parts by weight, per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • examples of the combination of the thickening agent and the surfactant include, but are not particularly limited to, combinations such as hydroxypropylmethylcellulose and polyoxyethylene sorbitan monooleate, hydroxypropylcellulose and polyoxyethylene sorbitan monooleate, hydroxypropylcellulose and tyloxapol, povidone and polyoxyethylene sorbitan monooleate, polyvinyl alcohol and polyoxyethylene sorbitan monooleate, and poloxamer and polyoxyethylene sorbitan monooleate.
  • the combination of the thickening agent and the surfactant is preferably a combination of hydroxypropylcellulose and polyoxyethylene sorbitan monooleate, povidone and polyoxyethylene sorbitan monooleate, polyvinyl alcohol and polyoxyethylene sorbitan monooleate, or poloxamer and polyoxyethylene sorbitan monooleate, more preferably a combination of hydroxypropylcellulose and polyoxyethylene sorbitan monooleate, povidone and polyoxyethylene sorbitan monooleate, or poloxamer and polyoxyethylene sorbitan monooleate.
  • the weight ratio between the thickening agent and the surfactant is not particularly limited.
  • the surfactant/thickening agent weight ratio is, for example, 0 to 500, preferably 0 to 60, more preferably 0 to 10.
  • Examples of the dispersion media used in the therapeutic agent for the ophthalmic disease of the present invention include water, an alcohol, liquid paraffin, water containing a solute, an alcohol containing a solute, and liquid paraffin containing a solute.
  • the dispersion media is preferably water, liquid paraffin, or water containing a solute, more preferably water or water containing a solute.
  • One of these dispersion media may be used alone, or two or more thereof may be used in combination.
  • the content of the dispersion media in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited.
  • the therapeutic agent for the ophthalmic disease can comprise the dispersion media so as to constitute a balance by adjusting the contents of components other than the dispersion media comprised in the therapeutic agent for the ophthalmic disease, in terms of a content per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • the therapeutic agent for the ophthalmic disease can comprise the dispersion media such that the content of the dispersion media and the sum of the contents of components other than the dispersion media comprised in the therapeutic agent for the ophthalmic disease are added up to 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • the content of the dispersion media is, for example, preferably 68 to 99.9 parts by weight, more preferably 78 to 99.9 parts by weight, further preferably 85 to 99.9 parts by weight, per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • the solute comprised in the dispersion media is not particularly limited and is, for example, preferably a tonicity agent for use in the medical field.
  • tonicity agent examples include sodium chloride, glucose (grape sugar), glycerol, mannitol, sodium dihydrogen phosphate, dibasic sodium phosphate hydrate, sodium bicarbonate, trishydroxymethylaminomethane, citric acid hydrate, boric acid, borax, and phosphoric acid.
  • the tonicity agent is preferably sodium chloride, glucose (grape sugar), glycerol, or mannitol.
  • One of these tonicity agents may be used alone, or two or more thereof may be used in combination.
  • the content of the solute in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited and is preferably 0 to 50 parts by weight, more preferably 0 to 25 parts by weight, per 100 parts by weight of the water, the alcohol, or the liquid paraffin.
  • Examples of the preservative used in the therapeutic agent for the ophthalmic disease of the present invention include benzalkonium chloride, methyl parahydroxybenzoate, propyl parahydroxybenzoate, chlorobutanol, disodium edetate hydrate, chlorhexidine gluconate, and sorbic acid.
  • the preservative is preferably benzalkonium chloride.
  • One of these preservatives may be used alone, or two or more thereof may be used in combination.
  • the content of the preservatives in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited and is, for example, preferably 0 to 1 parts by weight, more preferably 0 to 0.75 parts by weight, further preferably 0 to 0.5 parts by weight, per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • the content of the preservatives is not particularly limited and is, for example, preferably 0 to 100 parts by weight, more preferably 0 to 75 parts by weight, further preferably 0 to 50 parts by weight, per 100 parts by weight of the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • the inclusion substance used in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited as long as the inclusion substance has the property of incorporating a molecule.
  • examples thereof include ⁇ -cyclodextrin, ⁇ -cyclodextrin, 2-hydroxypropyl- ⁇ -cyclodextrin (HP- ⁇ -CD), and ⁇ -cyclodextrin.
  • the inclusion substance is preferably ⁇ -cyclodextrin or 2-hydroxypropyl- ⁇ -cyclodextrin, more preferably 2-hydroxypropyl- ⁇ -cyclodextrin (HP- ⁇ -CD).
  • One of these inclusion substances may be used alone, or two or more thereof may be used in combination.
  • the content of the inclusion substance in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited and is, for example, preferably 0 to 1 parts by weight, more preferably 0 to 0.75 parts by weight, further preferably 0 to 0.5 parts by weight, per 100 parts by weight of the therapeutic agent for the ophthalmic disease.
  • the therapeutic agent for the ophthalmic disease of the present invention is administered by topical ocular administration.
  • topical ocular administration include ocular instillation, subconjunctival administration, sub-Tenon administration, intravitreal administration, suprachoroidal administration, periocular administration, and administration using an intraocular implant, and administration using other drug delivery devises. Ocular instillation is preferred.
  • the pharmaceutical composition of the present invention can be administered to a mammal or the like and thereby used in the prevention, treatment, etc. of a vascular endothelial growth factor (VEGF)-related disease or an epidermal growth factor (EGF)-related disease.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • vascular endothelial growth factor (VEGF)-related disease examples include wet-type (neovascular or exudative) age-related macular degeneration (wet-AMD), dry age-related macular degeneration, choroidal neovascularization, myopic choroidal neovascularization, branch retinal vein occlusion, macular edema, macular edema following central retinal vein occlusion, diabetic macular edema, proliferative diabetic retinopathy, neovascular glaucoma, angioid streaks of the retina, retinopathy of prematurity, Coats disease, branch retinal vein occlusion, central retinal vein occlusion, cystoid macular edema, vitreous hemorrhage caused by diabetic retinopathy, Eales disease, central serous chorioretinopathy, epiretinal membrane, uveitis, multifocal choroiditis, anterior ische
  • vascular endothelial growth factor (VEGF)-related disease is preferably wet age-related macular degeneration, myopic choroidal neovascularization, branch retinal vein occlusion, central retinal vein occlusion, macular edema following central retinal vein occlusion, diabetic macular edema, proliferative diabetic retinopathy or neovascular glaucoma.
  • epidermal growth factor (EGF)-related disease examples include wet-type (neovascular or exudative) age-related macular degeneration (wet-AMD), dry age-related macular degeneration, choroidal neovascularization, myopic choroidal neovascularization, macular edema, macular edema following central retinal vein occlusion, diabetic macular edema, proliferative diabetic retinopathy, glaucoma, neovascular glaucoma, ocular inflammation, retinoblast, branch retinal vein occlusion, central retinal vein occlusion, retinopathy of prematurity, angioid streaks of the retina, retinal artery obstruction, corneal neovascularization, pterygium, uveal melanoma, uveitis, epiretinal membrane, corneal subepithelial fibrosis, dry eye, and meibomian gland dysfunction.
  • the epidermal growth factor (EGF)-related disease is preferably wet age-related macular degeneration, myopic choroidal neovascularization, branch retinal vein occlusion, central retinal vein occlusion, macular edema following central retinal vein occlusion, diabetic macular edema, proliferative diabetic retinopathy or neovascular glaucoma.
  • the pharmaceutical composition of the present invention can be used in the treatment, prevention, etc. of the vascular endothelial growth factor (VEGF)-related disease or the epidermal growth factor (EGF)-related disease and, among others, is preferably used in the prevention, treatment, etc.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • ophthalmic diseases such as wet-type (neovascular or exudative) age-related macular degeneration (wet-AMD), macular edema following central retinal vein occlusion, myopic choroidal neovascularization and diabetic macular edema whose indications have been obtained for existing anti-VEGF inhibitors (intravitreal injections), and proliferative diabetic retinopathy, neovascular glaucoma, uveitis and retinopathy of prematurity on which the therapeutic effects of anti-VEGF inhibitors (intravitreal injections) have been clinically reported, albeit by off label indication.
  • wet-type (neovascular or exudative) age-related macular degeneration (wet-AMD) macular edema following central retinal vein occlusion
  • myopic choroidal neovascularization myopic choroidal neovascularization
  • diabetic macular edema whose indications have
  • the pharmaceutical composition of the present invention can be used in the treatment, prevention, etc. of the epidermal growth factor (EGF)-related disease and, among others, is preferably used in the prevention, treatment, etc.
  • ophthalmic diseases such as wet-type (neovascular or exudative) age-related macular degeneration (wet-AMD), macular edema following central retinal vein occlusion, myopic choroidal neovascularization and diabetic macular edema on which efficacy ascribable to an angiogenesis inhibitory effect or a suppressive effect on increase in vascular permeability in the eye has been confirmed.
  • ophthalmic diseases for example, favorable therapeutic effects (recovery of best-corrected visual acuity, histological amelioration such as thinning of the retina thickened due to a pathological condition, etc.) have been clinically confirmed by the intravitreal injection of anti-VEGF inhibitors, and the inhibition of angiogenesis or the suppression of increase in vascular permeability in the retina or in the choroid has been non-clinically confirmed by the administration of EGF inhibitors. Hence, the clinical efficacy of these drugs is expected.
  • the existing anti-VEGF inhibitors have high therapeutic effects, but put an enormous load on patients themselves, their families and health-care professionals, which is a social concern, because their administration route is intravitreal injection and continued treatment is necessary due to high rates of recurrence or the like.
  • drugs oral agents, eye drops, etc.
  • the ophthalmic diseases as described above, administrable through a noninvasive and convenient route other than intravitreal injection, from the viewpoint of reduction in load on patients themselves, their families and health-care professionals, etc.
  • the therapeutic agent for the ophthalmic disease of the present invention is useful because the active ingredient can be administered to a patient through a route such as ocular instillation.
  • the dosage form of the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited and is preferably a liquid formulation (a solution).
  • the solution is more preferably a suspension formulation or a solution formulation.
  • a portion or the whole of the components of the therapeutic agent for the ophthalmic disease of the present invention, or a freeze-dried powder thereof may be dissolved or dispersed in water or the like to prepare the therapeutic agent for the ophthalmic disease of the present invention.
  • the method for producing the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form in the therapeutic agent for the ophthalmic disease of the present invention is not particularly limited.
  • the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form can be produced by a nanoparticulation method, such as milling, which is generally used in the pharmaceutical technical field.
  • the nanoparticulation method can involve, for example, milling the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor using a commercially available instrument (zirconia container, zirconia balls, etc.), a commercially available nano pulverizer, or the like, followed by purification, etc. using a commercially available centrifuge or the like to produce the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor can be crystallized by stimulation in a liquid phase or a vapor phase to produce the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor in a nanoparticle form.
  • the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor as well as one or more components selected from a thickening agent, a surfactant, a dispersion media, a preservatives and an inclusion substance may be added and milled.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • one or more components selected from a thickening agent, surfactant and a dispersion media may be added, and one or more components selected from a preservatives and an inclusion substance may be further added, followed by the milling.
  • milling method examples include, but are not particularly limited to, dry milling and wet milling. Wet milling is preferred.
  • the wet milling more preferably comprises adding a dispersion media to the vascular endothelial growth factor (VEGF) receptor inhibitor or the epidermal growth factor (EGF) receptor inhibitor, followed by the milling.
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • Examples of the purification method include, but are not particularly limited to, purification using a commercially available centrifuge or the like.
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was prepared according to the method disclosed in Japanese Unexamined Patent Application Publication No. 2003-12668 .
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (hydroxypropylcellulose (HPC), Wako Pure Chemical Industries, Ltd.; the same holds true for the description below), polysorbate 80 (Junsei Chemical Co., Ltd.; the same holds true for the description below), benzalkonium chloride (benzalkonium chloride (BAC), Nacalai Tesque, Inc.; the same holds true for the description below), D-mannitol (Junsei Chemical Co., Ltd.; the same holds true for the description below), and water.
  • HPC hydroxypropylcellulose
  • HPC hydroxypropylcellulose
  • HPC hydroxypropylcellulose
  • HPC hydroxypropylcellulose
  • Zirconia balls (zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.) were placed in the container, which was then covered with the lid.
  • Wet milling (mill/mix 2000 rpm, 1 min, loop/30 times/-10°C) was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution (5% by mass; the same holds true for the description below), and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • This nanoparticle composition was purified (13200 rpm, 28 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 1.28 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 114 nm in the nanoparticle composition.
  • a nanoparticle composition having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 5.36 mg/mL and a mean particle size of 169 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and an aqueous glucose solution in accordance with Example 1 except that the purification conditions were changed to 13200 rpm and 5.5 minutes.
  • a nanoparticle composition having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 6.50 mg/mL and a mean particle size of 151 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and an aqueous glucose solution in accordance with Example 1 except that the purification conditions were changed to 13200 rpm and 2 minutes.
  • a nanoparticle composition having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.54 mg/mL and a mean particle size of 122 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and an aqueous glucose solution in accordance with Example 1 except that the purification conditions were changed to 13200 rpm and 20 minutes.
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 1 1/0.5/0.1/0.001/0.1 1.28 114 2 1/0.5/0.1/0.001/0.1 5.36 169 3 1/0.5/0.1/0.001/0.1 6.50 151 4 1/0.5/0.1/0.001/0.1 0.54 122
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.75 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.49 mg/mL and a mean particle size of 198 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/1.00 part by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.29 mg/mL and a mean particle size of 175 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/1.25 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.42 mg/mL and a mean particle size of 188 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/2.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.44 mg/mL and a mean particle size of 471 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 5 1/0.75/0.1/0.001/0.1 1.49 198 6 1/1.0/0.1/0.001/0.1 1.29 175 7 1/1.25/0.1/0.001/0.1 1.42 188 8 1/2.5/0.1/0.001/0.1 1.44 471
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/1.0 part by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.36 mg/mL and a mean particle size of 179 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.001 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.51 mg/mL and a mean particle size of 117 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.17 mg/mL and a mean particle size of 105 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxy
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 9 1/0.5/1.0/0.001/0.1 1.36 179 10 1/0.5/0.001/0.001/0.1 1.51 117 11 1/0.5/0/0.001/0.1 1.17 105
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/1.0 part by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.13 mg/mL and a mean particle size of 140 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)ure
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.5 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.53 mg/mL and a mean particle size of 124 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.50 mg/mL and a mean particle size of 138 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxyprop
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 12 1/0.5/0.1/0.001/1.0 1.13 140 13 1/0.5/0.1/0.001/0.5 1.53 124 14 1/0.5/0.1/0.001/0 0.50 138
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.05 mm, Nikkato Corp.
  • Wet milling was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.). Then, the milled product was diluted by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen to obtain a nanoparticle composition.
  • This nanoparticle composition was purified (10000 rpm, 1 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 0.65 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 426 nm in the nanoparticle composition.
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 1.0 mm, Nikkato Corp.
  • Wet milling was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.). Then, the milled product was diluted by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen to obtain a nanoparticle composition.
  • This nanoparticle composition was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 1.35 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 154 nm in the nanoparticle composition.
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 3.0 mm, Nikkato Corp.
  • Wet milling was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.). Then, the milled product was diluted by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen to obtain a nanoparticle composition.
  • This nanoparticle composition was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 1.17 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 155 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 4.09 mg/mL and a mean particle size of 164 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.49 mg/mL and a mean particle size of 133 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.76 mg/mL and a mean particle size of 148 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxyprop
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.18 mg/mL and a mean particle size of 119 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxyprop
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 3.21 mg/mL and a mean particle size of 266 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.3 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.24 mg/mL and a mean particle size of 252 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Dispersion media Concentration (mg/mL) Mean particle size (nm) 18 1/0.5/0.1/0.001/0.1 Aqueous glycerol solution 4.09 164 19 1/0.5/0.1/0.001/0.1 Aqueous glycerol solution 0.49 133 20 1/0.5/0.1/0.001/0 Aqueous glycerol solution 0.76 148 21 1/0.5/0.1/0.001/0 Aqueous glycerol solution 0.18 119 22 1/0.5/0.1/0.001/0.1 Saline 3.21 266 23 1/0.5/0.1/0.001/0.1 Saline 0.24 252
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylmethylcellulose (HPMC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.54 mg/mL and a mean particle size of 153 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol/hydroxypropyl- ⁇ -cyclodextrin (HP- ⁇ -CD) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight/0.5 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.27 mg/mL and a mean particle size of 32 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-y
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinyl alcohol (PVA)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.53 mg/mL and a mean particle size of 139 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl
  • polysorbate 80 polysorbate 80
  • BAC benzalkonium chloride
  • D-mannitol D-mannitol
  • aqueous glucose solution in accordance with Example 1 except that the thickening agent was changed from hydroxypropylcellulose (HPC) to polyvinyl alcohol (PVA).
  • HPC hydroxypropylcellulose
  • PVA polyvinyl alcohol
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.44 mg/mL and a mean particle size of 89 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container and subsequently prepared into a suspension by the addition of polyoxyethylene (196) polyoxypropylene (67) glycol (Pluronic(Registered Trademark) F-127, Sigma-Aldrich Co. LLC; the same holds true for the description below) and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • This nanoparticle composition was purified (13200 rpm, 60 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 8.13 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 147 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/Pluronic(Registered Trademark) F-127 1 part by weight/0.5 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.00 mg/mL and a mean particle size of 86 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, Pluronic(Registered Trademark) F-127, and water in accordance with Example 28 except that the
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/X/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol x Dispersion media Concentration (mg/mL) Mean particle size (nm) 24 1/0.5/0/0.1/0.001/0.1 HPMC Aqueous glucose solution 0.54 153 26 1/0.5/0/0.1/0.001/0.1 PVA Aqueous glucose solution 1.53 139 27 1/0.5/0/0.1/0.001/0.1 PVP Aqueous glucose solution 1.44 89 28 1/0.15/0/0/0/0/0 Pluronic F127 Water 8.13 147 29 1/0.5/0/0/0/0 Pluronic F127 Water 1.00 86
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/Solutol(Registered Trademark) HS15/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.52 mg/mL and a mean particle size of 132 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methyl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/tyloxapol/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.51 mg/mL and a mean particle size of 114 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/Triton (Registered Trademark) X100/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.04 mg/mL and a mean particle size of 132 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methyliso
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/Cremophor(Registered Trademark) EL/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.12 mg/mL and a mean particle size of 125 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylis
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/n-octyl- ⁇ -D-glucoside/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.23 mg/mL and a mean particle size of 120 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylis
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/sodium lauryl sulfate/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.25 parts by weight/0.0005 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 3.57 mg/mL and a mean particle size of 70 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisox
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/sodium lauryl sulfate 1 part by weight/0.1 parts by weight/0.0025 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.74 mg/mL and a mean particle size of 66 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), sodium la
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/sodium lauryl sulfate/D-mannitol 1 part by weight/0.1 parts by weight/0.0025 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.47 mg/mL and a mean particle size of 97 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate,
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/X/ benzalkonium chloride (BAC)/ D-mannitol x Concentration (mg/mL) Mean particle size (nm) 30 1/0.5/0.1/0.001/0.1 Solutol HS15 1.52 132 31 1/0.5/0.1/0.001/0.1 Tyloxapol 1.51 114 32 1/0.5/0.1/0.001/0.1 Triton X100 1.04 132 33 1/0.5/0.1/0.001/0.1 Cremophor EL 1.12 125 34 1/0.5/0.1/0.001/0.1 n-Octyl- ⁇ -D-glucoside 1.23 120 35 1/0.25/0.0005/0.001/0.1 Sodium lauryl sulfate 3.57 70 36
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/ D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.23 mg/mL and a mean particle size of 121 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.01 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.57 mg/mL and a mean particle size of 111 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC) 1 part by weight/0.3 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.25 mg/mL and a mean particle size of 81 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), and an aqueous glucose solution in accordance with Example 1 except that the amount of
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80 1 part by weight/0.3 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.04 mg/mL and a mean particle size of 89 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, and an a
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80 1 part by weight/0.3 parts by weight/0.01 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.74 mg/mL and a mean particle size of 73 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, and an
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80 1 part by weight/0.15 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 4.89 mg/mL and a mean particle size of 111 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, and an
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80 1 part by weight/0.15 parts by weight/0.01 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 3.52 mg/mL and a mean particle size of 67 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), polysorbate 80, and an
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC) 1 part by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.51 mg/mL and a mean particle size of 69 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), and an aqueous glucose solution in accordance with Example 1 except that: the amount of
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/D-mannitol 1 part by weight/0.1 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.23 mg/mL and a mean particle size of 60 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), D-mannitol, and an
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.1 parts by weight/0.02 parts by weight/0.0002 parts by weight/0.02 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.51 mg/mL and a mean particle size of 67 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-y
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.1 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.75 mg/mL and a mean particle size of 82 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC) 1 part by weight/0.05 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.00 mg/mL and a mean particle size of 66 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), and an aqueous glucose solution in accordance with Example 1 except that: the amount of
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • This nanoparticle composition was purified (13200 rpm, 25 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) and then pH-adjusted to 3 to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 1.31 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 133 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.49 mg/mL and a mean particle size of 98 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxyprop
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.35 mg/mL and a mean particle size of 137 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.75 mg/mL and a mean particle size of 227 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • This nanoparticle composition was diluted with an aqueous glucose solution.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a concentration of 1.30 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 203 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Dispersion media Concentration (mg/mL) Mean particle size (nm) 38 1/0.5/0.1/0/0.1 Aqueous glucose solution 1.23 121 39 1/0.5/0.1/0.01/0.1 Aqueous glucose solution 1.57 111 40 1/0.3/0/0/0 Aqueous glucose solution 1.25 81 41 1/0.3/0.1/0/0 Aqueous glucose solution 2.04 89 42 1/0.3/0.01/0/0 Aqueous glucose solution 1.74 73 43 1/0.15/0.1/0/0 Aqueous glucose solution 4.89 111 44 1/0.15/0.01/0/0 Aqueous glucose solution
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polyvinylpyrrolidone (PVP)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.23 mg/mL and a mean particle size of 149 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)pheny
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/lecithin/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.35 mg/mL and a mean particle size of 144 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methyl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polyethylene glycol/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.01 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.62 mg/mL and a mean particle size of 128 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polyethylene glycol/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.01 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.86 mg/mL and a mean particle size of 65 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/sodium lauryl sulfate 1 part by weight/0.1 parts by weight/0.0025 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.44 mg/mL and a mean particle size of 89 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrroli
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/X/Y/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol x Y Concentration (mg/mL) Mean particle size (nm) 55 1/0.5/0.5/0.1/0.001/0.1 HPC PVP 1.23 149 56 1/0.5/0.5/0.1/0.001/0.1 HPC Lecithin 1.35 144 57 1/0.5/0.01/0.1/0.001/0.1 HPC PEG 1.62 128 58 1/0.5/0.01/0/0.001/0.1 PVP PEG 2.86 65 59 1/0.1/0.0025/0/0/0/0 PVP Sodium lauryl sulfate 2.44 89
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/Pluronic(Registered Trademark) F-68 1 part by weight/0.5 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.24 mg/mL and a mean particle size of 94 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, Pluronic(Registered Trademark) F-68, and an aqueous glucose solution in accordance
  • F-127/polysorbate 80 1 part by weight/0.1 parts by weight/0.02 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.19 mg/mL and a mean particle size of 84 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, Pluronic(Registered Trademark) F-
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.25 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.56 mg/mL and a mean particle size of 176 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxa
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/1.0 part by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.35 mg/mL and a mean particle size of 149 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropyl- ⁇ -cyclodextrin (HP- ⁇ -CD)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.61 mg/mL and a mean particle size of 85 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methyl
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ Pluronic(Registered Trademark) F-127/polysorbate 80/benzalkonium chloride (BAC) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.44 mg/mL and a mean particle size of 119 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80/benzalkonium chloride (BAC) 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.43 mg/mL and a mean particle size of 137 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of Pluronic(Registered Trademark) F-127, polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • composition of the nanoparticle composition was set to N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/Pluronic(Registered Trademark)
  • F-127/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • This nanoparticle composition was diluted with an aqueous glycerol solution.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a concentration of 1.31 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 432 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/X/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol x Dispersion media Concentration (mg/mL) Mean particle size (nm) 60 1/0.5/0/0/0 Pluronic F68 Aqueous glucose solution 1.24 94 61 1/0.1/0.02/0/0 Pluronic F127 Aqueous glucose solution 2.19 84 62 1/0.25/0.1/0.001/0.1 PVP Aqueous glucose solution 1.56 176 63 1/1.0/0.1/0.001/0.1 PVP Aqueous glucose solution 1.35 149 64 1/0.5/0.1/0.001/0.1 HP ⁇ CD Aqueous glucose solution 1.61 85 65 1/0.5/0.1/0.001 Pluronic F127 Aqueous mannitol solution
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC) and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • Wet milling mill/mix 1700 rpm, 1 min, loop/10 times/-10°C was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • This nanoparticle composition was purified (13200 rpm, 60 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 2.37 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 76 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC) 1 part by weight/0.3 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.90 mg/mL and a mean particle size of 90 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, hydroxypropylcellulose (HPC), and an aqueous glucose solution in accordance with Example 68 except that the amount of
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC) and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • Wet milling mill/mix 2000 rpm, 1 min, loop/10 times/-10°C was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • This nanoparticle composition was purified (13200 rpm, 100 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 1.90 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 75 nm in the nanoparticle composition.
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC) and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • This nanoparticle composition was purified (13200 rpm, 40 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate to 1.33 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 105 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP) 1 part by weight/0.3 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.91 mg/mL and a mean particle size of 62 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrrolidone (PVP), and an aqueous glucose solution in accordance with
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP) 1 part by weight/0.3 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.21 mg/mL and a mean particle size of 77 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrrolidone (PVP), and an aqueous glucose solution in accordance with
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80 1 part by weight/0.3 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.75 mg/mL and a mean particle size of 81 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrrolidone (PVP), poly
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80 1 part by weight/0.3 parts by weight/0.01 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.65 mg/mL and a mean particle size of 60 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrrolidone (PVP), poly
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80 1 part by weight/0.15 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.95 mg/mL and a mean particle size of 70 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrrolidone (PVP), poly
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/polyvinylpyrrolidone (PVP)/polysorbate 80 1 part by weight/0.15 parts by weight/0.01 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.97 mg/mL and a mean particle size of 57 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, polyvinylpyrrolidone (PVP
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ Pluronic(Registered Trademark) F-127 1 part by weight/0.3 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.59 mg/mL and a mean particle size of 96 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, Pluronic(Registered Trademark) F-127, and an aqueous glucose solution in accordance with
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ Pluronic(Registered Trademark) F-127 1 part by weight/0.3 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.48 mg/mL and a mean particle size of 133 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate, Pluronic(Registered Trademark) F-127, and an aqueous glucose solution in accordance with
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/X/ polysorbate 80 x Milling conditions Concentration (mg/mL) Mean particle size (nm) 68 1/0.1/0 HPC 1700rpm 10 times 2.37 76 69 1/0.3/0 HPC 1700rpm 10 times 1.90 90 70 1/0.3/0 HPC 2000rpm 10 times 1.90 75 71 1/0.3/0 HPC 1700rpm 30 times 1.33 105 72 1/0-3/0 PVP 1700rpm 30 times 1.91 62 73 1/0.3/0 PVP 1700rpm 10 times 1.21 77 74 1/0.3/0.1 PVP 1700rpm 30 times 1.75 81 75 1/0.3/0.01 PVP 1700rpm 30 times 1.65 60 76 1/0.15/0.1 PVP
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a concentration of 0.90 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 400 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 0.1 parts by weight/0.05 parts by weight/0.01 parts by weight/0.0001 parts by weight/0.01 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 1.12 mg/mL and a mean particle size of 226 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylmethylcellulose (HPMC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 0.1 parts by weight/0.05 parts by weight/0.01 parts by weight/0.0001 parts by weight/0.01 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.77 mg/mL and a mean particle size of 268 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3
  • a nanoparticle composition having composition of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 0.2 parts by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 2.07 mg/mL and a mean particle size of 258 nm was obtained from N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 1.0 mm, Nikkato Corp.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a concentration of 2.05 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 365 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/X/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol x Zirconia ball diameter (mm) Concentration (mg/mL) Mean particle size (nm) 80 0.1/0.5/0.1/0.001/0.1 HPC 0.1 0.90 400 81 0.1/0.05/0.01/0.0001/0.01 HPC 0.1 1.12 226 82 01/0.05/0.01/0.0001/0.01 HPMC 0.1 0.77 268 83 0.2/0.5/0.1/0.001/0.1 HPC 0.1 2.07 258 84 0.2/0.5/0.1/0.001/0.1 HPC 1.0 2.05 365
  • 1-(2-(tert-Butyl)-4-(3,5-dimethylisoxazol-4-yl)-1H-imidazol-5-yl)-3-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-fluorophenyl)urea was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • the nanoparticle composition prepared in Example 85 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-(2-(tert-butyl)-4-(3,5-dimethylisoxazol-4-yl)-1H-imidazol-5-yl)-3-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-fluorophenyl)urea to 0.77 mg/mL.
  • a nanoparticle composition having composition of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-2-fluorophenyl)-3-(1,5,5-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)urea hydrochloride/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-2-fluorophenyl)-3-(1,5,5-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)urea hydrochloride with a concentration of 13.27 mg/mL and a mean particle size of 368 nm was obtained from 1-(4-((6,7-dimethoxyquinolin-4-yl
  • the nanoparticle composition prepared in Example 87 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-2-fluorophenyl)-3-(1,5,5-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)urea hydrochloride to 3.75 mg/mL.
  • a nanoparticle composition having composition of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-fluorophenyl)-3-(1,5,5-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)urea hydrochloride/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-fluorophenyl)-3-(1,5,5-trimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)urea hydrochloride with a concentration of 6.98 mg/mL and a mean particle size of 260 nm was obtained from 1-(4-((6,7-dimethoxyquinolin-4-yl
  • a nanoparticle composition having composition of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-isopropylisoxazol-3-yl)urea/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-isopropylisoxazol-3-yl)urea with a concentration of 5.22 mg/mL and a mean particle size of 169 nm was obtained from 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-isopropylisoxazol-3-yl)urea, hydroxypropylcellulose (HPC), polysorb
  • the nanoparticle composition prepared in Example 90 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-isopropylisoxazol-3-yl)urea to 1.34 mg/mL.
  • a nanoparticle composition having composition of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-methylisoxazol-3-yl)urea hydrochloride/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-methylisoxazol-3-yl)urea hydrochloride with a concentration of 10.69 mg/mL and a mean particle size of 269 nm was obtained from 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-methylisoxazol-3-yl)urea hydrochloride, hydroxypropylcellulose (HPC), polysorb
  • the nanoparticle composition prepared in Example 92 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-3-(5-methylisoxazol-3-yl)urea hydrochloride to 1.34 mg/mL.
  • a nanoparticle composition having composition of 1-(5-(tert-butyl)isoxazol-3-yl)-3-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-methoxyphenyl)urea hydrochloride/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having 1-(5-(tert-butyl)isoxazol-3-yl)-3-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-methoxyphenyl)urea hydrochloride with a concentration of 10.86 mg/mL and a mean particle size of 163 nm was obtained from 1-(5-(tert-butyl)isoxazol-3-yl)-3-(4-((6,7-dimethoxyquinol
  • the nanoparticle composition prepared in Example 94 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-(5-(tert-butyl)isoxazol-3-yl)-3-(4-((6,7-dimethoxyquinolin-4-yl)oxy)-3-methoxyphenyl)urea hydrochloride to 1.54 mg/mL.
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • This nanoparticle composition was diluted with glycerol.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a concentration of 2.06 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a mean particle size of 206 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) Dispersion media 96 0.25/0.125/0.025/0.00025/0.025 2.06 206 Aqueous glycerol solution
  • the suspension was purified (13200 rpm, 3 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.). As a result, the supernatant became a clear liquid. Specifically, this method failed to produce a nanoparticle composition and produced a solution having [4-[N-(2,3-dimethyl-2H-indazol-6-yl)-N-methylamino]pyrimidin-2-ylamino]-2-methylbenzenesulfonamide hydrochloride with a concentration of 2.94 mg/mL.
  • the nanoparticle composition prepared in Example 98 was purified (17000 rpm, 5 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-[[4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-6-methoxyquinolin-7-yl]oxymethyl]cyclopropan-1-amine to 6.67 mg/mL.
  • the nanoparticle composition prepared in Example 98 was purified (17000 rpm, 15 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-[[4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-6-methoxyquinolin-7-yl]oxymethyl]cyclopropan-1-amine to 4.78 mg/mL.
  • the nanoparticle composition prepared in the same way as in Example 98 was purified (17000 rpm, 100 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-[[4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-6-methoxyquinolin-7-yl]oxymethyl]cyclopropan-1-amine to 2.34 mg/mL.
  • the nanoparticle composition prepared in Example 98 was purified (17000 rpm, 75 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-[[4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-6-methoxyquinolin-7-yl]oxymethyl]cyclopropan-1-amine to 1.77 mg/mL.
  • Example Compositional ratio (parts by weight) 1-[[4-[(4-fluoro-2-methyl-1H-indol-5-yl)oxy]-6-methoxyquinolin-7-yl]oxymethyl]cyclopropan-1-amine/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 98 1/0.5/0.1/0.001/0.1 9.69 164 99 1/0.5/0.1/0.001/0.1 6.67 188 100 1/0.5/0.1/0.001/0.1 4.78 165 101 1/0.5/0.1/0.001/0.1 2.34 106 102 1/0.5/0.1/0.001/0.1 1.77 118
  • This nanoparticle composition was purified (17000 rpm, 10 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 4-[3-chloro-4-(cyclopropylcarbamoylamino)phenoxy]-7-methoxyquinoline-6-carboxamide to 2.39 mg/mL.
  • Methyl (3Z)-3-[(14-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl ⁇ amino) (phenyl)methylidene]-2-oxo-2 ⁇ 3-dihydro-1H-indole-6-carboxylate (RennoTech Co., Ltd.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC, polysorbate 80, benzalkonium chloride (BAC, D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • Zirconia balls (zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.) were placed in the container, which was then covered with the lid.
  • Wet milling (mill/mix 2000 rpm, 1 min, loop/30 times/-10°C) was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • This nanoparticle composition was purified (17000 rpm, 20 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of methyl (3Z)-3-[( ⁇ 4-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl ⁇ amino) (phenyl)methylidene]-2-oxo-2 ⁇ 3-dihydro-1H-indole-6-carboxylate to 1.60 mg/mL.
  • methyl (3Z)-3-[( ⁇ 4-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl ⁇ amino) (phenyl)methylidene]-2-oxo-2 ⁇ 3-dihydro-1H-indole-6-carboxylate had a mean particle size of 147 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 105 was purified (17000 rpm, 5 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of (E)-N-[4-(3-chloro-4-fluoroanilino)-7-methoxyquinazolin-6-yl]-4-piperidin-1-ylbut-2-enamide to 6.10 mg/mL.
  • the nanoparticle composition prepared in Example 105 was purified (17000 rpm, 10 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of (E)-N-[4-(3-chloro-4-fluoroanilino)-7-methoxyquinazolin-6-yl]-4-piperidin-1-ylbut-2-enamide to 4.66 mg/mL.
  • the nanoparticle composition prepared in the same way as in Example 105 was purified (17000 rpm, 60 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of (E)-N-[4-(3-chloro-4-fluoroanilino)-7-methoxyquinazolin-6-yl]-4-piperidin-1-ylbut-2-enamide to 2.39 mg/mL.
  • the nanoparticle composition prepared in Example 105 was purified (17000 rpm, 30 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of (E)-N-[4-(3-chloro-4-fluoroanilino)-7-methoxyquinazolin-6-yl]-4-piperidin-1-ylbut-2-enamide to 1.35 mg/mL.
  • Example Compositional ratio (parts by weight) (E)-N-[4-(3-chloro-4-fluoroanilino)-7-methoxyquinazolin-6-yl]-4-piperidin-1-ylbut-2-enamide/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 105 1/0.5/0.1/0.001/0.1 8.32 170 106 1/0.5/0.1/0.001/0.1 6.10 152 107 1/0.5/0.1/0.001/0.1 4.66 138 108 1/0.5/0.1/0.001/0.1 2.39 94 109 1/0.5/0.1/0.001/0.1 1.35 93
  • N-[4-[[3-Chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide (Shanghai Lollane Biological Technology Co., Ltd.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide had a concentration of 8.93 mg/mL.
  • N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide had a mean particle size of 334 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 110 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide to 4.25 mg/mL.
  • N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide had a mean particle size of 252 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in the same way as in Example 110 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide to 2.45 mg/mL.
  • N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide had a mean particle size of 204 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 110 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide to 1.40 mg/mL.
  • N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide had a mean particle size of 185 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 110 1/0.5/0.1/0.001/0.1 8.93 334 111 1/0.5/0.1/0.001/0.1 4.25 252 112 1/0.5/0.1/0.001/0.1 2.45 204 113 1/0.5/0.1/0.001/0.1 1.40 185
  • the nanoparticle composition prepared in Example 114 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide to 2.00 mg/mL.
  • 1-N-[4-(6,7-Dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 1.0 mm, Nikkato Corp.
  • the nanoparticle composition prepared in Example 116 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide to 0.97 mg/mL.
  • 1-N-[4-(6,7-Dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (hydroxypropylcellulose (HPC) and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • the nanoparticle composition prepared in Example 118 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide to 2.31 mg/mL.
  • the nanoparticle composition prepared in Example 118 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide to 1.06 mg/mL.
  • 1-N-[4-(6,7-Dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of polysorbate 80 and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • 1-N-[4-(6,7-Dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of polysorbate 80 and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • Wet milling mill/mix 2000 rpm, 1 min, loop/30 times/-10°C was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • aqueous polysorbate 80 solution After addition of an aqueous polysorbate 80 solution, wet milling (mill/mix 2000 rpm, 1 min, loop/30 times/-5°C) was performed. Then, the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • the nanoparticle composition prepared in Example 122 was purified (17000 rpm, 1 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide to 4.77 mg/mL.
  • the nanoparticle composition prepared in Example 122 was purified (17000 rpm, 10 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide to 2.21 mg/mL.
  • Example Compositional ratio (parts by weight) 1-N-[4-(6,7-dimethoxyquinolin6-4-yl)oxyphenyl]-1-N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 114 1/0.5/0.1/0.001/0.1 10.77 432 115 1/0.5/0.1/0.001/0.1 2.00 266 116 1/0.5/0.1/0.001/0.1 9.62 642 117 1/0.5/0.1/0.001/0.1 0.97 314 118 1/0.3/0/0/0 8.94 271 119 1/0.3/0/0/0 2.31 338 120 1/0.3/0/0/0 1.06 326 121 0.5/0/0.5/0/0 4.97 273 122 0.5/0/0.5/0/0 5.11 184
  • 6-(6,7-Dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide (Shanghai Lollane Biological Technology Co., Ltd.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of polysorbate 80 and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a concentration of 0.48 mg/mL.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a mean particle size of 264 nm in the nanoparticle composition.
  • 6-(6,7-Dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of polysorbate 80 and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • Wet milling mill/mix 2000 rpm, 1 min, loop/30 times/-10°C was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a concentration of 0.44 mg/mL.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a mean particle size of 174 nm in the nanoparticle composition.
  • 6-(6,7-Dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of polysorbate 80 and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • Wet milling mill/mix 2000 rpm, 1 min, loop/60 times/-10°C was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a concentration of 5.22 mg/mL.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a mean particle size of 281 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 127 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide to 1.18 mg/mL.
  • 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a mean particle size of 218 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) 6-(6,7-dimethoxyquinazolin-4-yl)oxy-N,2-dimethyl-1-benzofuran-3-carboxamide/ polysorbate 80 Concentration (mg/mL) Mean particle size (nm) 125 0.5/0.5 0.48 264 126 0.5/0.25 0.44 174 127 0.5/0.25 5.22 281 128 0.5/0.25 1.18 218
  • N-(3-Ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine (Shanghai Lollane Biological Technology Co., Ltd.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • polysorbate 80 polysorbate 80
  • BAC benzalkonium chloride
  • D-mannitol D-mannitol
  • Zirconia balls (zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.) were placed in the container, which was then covered with the lid.
  • Wet milling (mill/mix 2000 rpm, 1 min, loop/30 times/-10°C) was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • N-(3-ethynylphenyl)-7, 8, 10, 11, 13, 14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine had a concentration of 5.32 mg/mL.
  • N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine had a mean particle size of 197 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 129 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine to 2.20 mg/mL.
  • N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine had a mean particle size of 196 nm in the nanoparticle composition.
  • N-(3-Ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine had a concentration of 2.66 mg/mL.
  • N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine had a mean particle size of 196 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 129 0.5/1/0.2/0.002/0.2 5.32 197 130 0.5/1/0.2/0.002/0.2 2.20 179 131 0.25/0.5/0.1/0.001/0.1 2.66 196
  • This nanoparticle composition was purified (17000 rpm, 19 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 3-(2-imidazo[1,2-b]pyridazin-3-ylethynyl)-4-methyl-N-[4-[(4-methylpiperazin-1-yl)methyl]-3-(trifluoromethyl)phenyl]benzamide to 2.43 mg/mL.
  • Example Compositional ratio (parts by weight) 3-(2-imidazo[1,2-b]pyridazin-3-ylethynyl)-4-methyl-N-[4-[(4-methylpiperazin-1-yl)methyl]-3-(trifluoromethyl)phenyl]benzamide/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 132 1/0.3/0/0/0 2.43 194
  • N-Methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide (Sun-Shine Chemical Technology Co., Ltd.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a concentration of 9.46 mg/mL.
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a mean particle size of 127 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 133 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide to 1.84 mg/mL.
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a mean particle size of 125 nm in the nanoparticle composition.
  • N-Methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • Wet milling mill/mix 2000 rpm, 1 min, loop/30 times/-10°C was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a concentration of 9.23 mg/mL.
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a mean particle size of 159 nm in the nanoparticle composition.
  • the nanoparticle composition prepared in Example 134 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide to 2.42 mg/mL.
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a mean particle size of 84 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 133 1/0.5/0.1/0.001/0.1 9.46 127 134 1/0.5/0.1/0.001/0.1 1.84 125 135 1/0.3/0/0/0 9.23 159 136 1/0.3/0/0/0 2.42 84
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/hydroxypropylmethylcellulose (HPMC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 1.44 mg/mL and a mean particle size of 225 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, hydroxypropylmethylcellulose (HPMC), polysorbate 80, benzalkon
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/polyvinyl alcohol (PVA)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 2.19 mg/mL and a mean particle size of 166 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, polyvinyl alcohol (PVA), polysorbate 80, benzalkonium chlor
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/Pluronic(Registered Trademark) F-127/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 3.94 mg/mL and a mean particle size of 111 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, Pluronic(Registered Trademark) F-127, polysorb
  • Example Compositional ratio (parts by weight) N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/X/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol x Concentration (mg/mL) Mean particle size (nm) 137 1/0.5/0.1/0.001/0.1 HPMC 1.44 225 138 1/0.5/0.1/0.001/0.1 PVA 2.19 166 139 1/0.5/0.1/0.001/0.1 Pluronic F127 3.94 111
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/hydroxypropylcellulose (HPC)/Solutol(Registered Trademark) HS15/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 0.85 mg/mL and a mean particle size of 129 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, hydroxypropylcellulose (HPC), Sol
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/hydroxypropylcellulose (HPC)/tyloxapol/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 1.17 mg/mL and a mean particle size of 128 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, hydroxypropylcellulose (HPC), tyloxapol, benzalkon
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/hydroxypropylcellulose (HPC)/Cremophor(Registered Trademark) EL/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 1.03 mg/mL and a mean particle size of 127 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, hydroxypropylcellulose (HPC), Crem
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/hydroxypropylcellulose (HPC)/n-octyl- ⁇ -D-glucoside/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 0.90 mg/mL and a mean particle size of 131 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, hydroxypropylcellulose (HPC),
  • a nanoparticle composition having composition of N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/hydroxypropylcellulose (HPC)/sodium lauryl sulfate/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide with a concentration of 3.24 mg/mL and a mean particle size of 116 nm was obtained from N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, hydroxypropylcellulose (HPC), sodium lauryl
  • Example Compositional ratio (parts by weight) N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide/ hydroxypropylcellulose (HPC)/X/ benzalkonium chloride (BAC)/D-mannitol X Concentration (mg/mL) Mean particle size (nm) 140 1/0.5/0.1/0.001/0.1 Solutol HS15 0.85 129 141 1/0.5/0.1/0.001/0.1 Tyloxapol 1.17 128 142 1/0.5/0.1/0.001/0.1 Cremophor EL 1.03 127 143 1/0.5/0.1/0.001/0.1 n-Octyl- ⁇ -D-glucoside 0.90 131 144 1/0.5/0.1/0.001/0.1 Sodium lauryl sulfate 3.24 116
  • N-(3-Ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride (LC Laboratories, Inc.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride had a concentration of 10.10 mg/mL.
  • N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride had a mean particle size of 109 nm in the nanoparticle composition.
  • Example Compositional ratio (parts by weight) N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 145 1/0.125/0.025/0.00025/0.025 10.10 109
  • a nanoparticle composition having composition of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride/hydroxypropylcellulose (HPC)/sodium lauryl sulfate 1 part by weight/0.125 parts by weight/0.01 parts by weight and having N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride with a concentration of 10.23 mg/mL and a mean particle size of 111 nm was obtained from N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride, hydroxypropylcellulose (HPC), sodium lauryl sulfate, and an aqueous glucose solution in accordance with Example 145 except that the surfactant was changed from polysorbate 80 to sodium lauryl sul
  • a nanoparticle composition having composition of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride/hydroxypropylcellulose (HPC)/sodium lauryl sulfate 1 part by weight/0.125 parts by weight/0.001 parts by weight and having N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride with a concentration of 9.87 mg/mL and a mean particle size of 114 nm was obtained from N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride, hydroxypropylcellulose (HPC), sodium lauryl sulfate, and an aqueous glucose solution in accordance with Example 145 except that the surfactant was changed from polysorbate 80 to sodium lauryl sul
  • Example Compositional ratio (parts by weight) N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride/ hydroxypropylcellulose (HPC)/ sodium lauryl sulfate Concentration (mg/mL) Mean particle size (nm) 146 1/0.125/0.01 10.23 111 147 1/0.125/0.001 9.87 114
  • a nanoparticle composition having composition of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine/carboxymethylcellulose (CMC Na)/polysorbate 80 1 part by weight/0.05 parts by weight/0.001 parts by weight and having N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine with a concentration of 8.18 mg/mL and a mean particle size of 205 nm was obtained from N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine, carboxymethylcellulose (CMC Na), polysorbate 80, and an aqueous glucose solution in accordance with Example 145 except that: N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride was
  • Example Compositional ratio (parts by weight) N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine/ carboxymethylcellulose sodium (CMC Na)/ polysorbate 80 Concentration (mg/mL) Mean particle size (nm) 148 1/0.05/0.001 8.18 205
  • a nanoparticle composition having composition of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride/carboxymethylcellulose (CMC Na)/polysorbate 80 1 part by weight/0.05 parts by weight/0.125 parts by weight and having N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride with a concentration of 6.76 mg/mL and a mean particle size of 258 nm was obtained from N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride, carboxymethylcellulose (CMC Na), polysorbate 80, and an aqueous glucose solution in accordance with Example 145 except that: N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)qui
  • Example Compositional ratio (parts by weight) N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine/ carboxymethylcellulose sodium (CMC Na)/ hydroxypropylcellulose (HPC) Concentration (mg/mL) Mean particle size (nm) 149 1/0.05/0.125 6.76 258
  • a nanoparticle composition having composition of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine with a concentration of 9.33 mg/mL and a mean particle size of 114 nm was obtained from N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and an aqueous glucose solution in accordance with Example 145 except
  • a nanoparticle composition having composition of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.125 parts by weight/0.025 parts by weight/0.00025 parts by weight/0.025 parts by weight and having N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine with a concentration of 10.34 mg/mL and a mean particle size of 76 nm was obtained from N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and an aqueous glucose solution in accordance with Example
  • Example Compositional ratio (parts by weight) N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 150 1/0.5/0.1/0.001/0.1 9.33 114 151 1/0.125/0.025/0.00025/0.025 10.34 76
  • N-(3-Chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine (LC Laboratories, Inc.; the same holds true for the description below) was weighed into a zirconia container (Thinky Corp.) and subsequently prepared into a suspension by the addition of hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and water.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol and water.
  • Zirconia balls zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.
  • N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine had a concentration of 11.20 mg/mL.
  • N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine had a mean particle size of 123 nm in the nanoparticle composition.
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.125 parts by weight/0.025 parts by weight/0.00025 parts by weight/0.025 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 11.31 mg/mL and a mean particle size of 147 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC
  • Example Compositional ratio (parts by weight) N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/ hydroxypropylcellulose (HPC)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 152 1/0.5/0.1/0.001/0.1 11.20 123 153 1/0.125/0.025/0.00025/0.025 11.31 147
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/hydroxypropylcellulose (HPC)/sodium lauryl sulfate 1 part by weight/0.125 parts by weight/0.01 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 11.11 mg/mL and a mean particle size of 214 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, hydroxypropylcellulose (HPC), sodium lauryl sulfate, and an aqueous glucose solution in accordance with Example 152 except that: the surfactant was changed from polysorb
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/hydroxypropylcellulose (HPC)/sodium lauryl sulfate 1 part by weight/0.125 parts by weight/0.001 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 11.03 mg/mL and a mean particle size of 432 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, hydroxypropylcellulose (HPC), sodium lauryl sulfate, and an aqueous glucose solution in accordance with Example 152 except that: the surfactant was changed from polysorb
  • Example Compositional ratio (parts by weight) N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/ hydroxypropylcellulose (HPC)/ sodium lauryl sulfate/ benzalkonium chloride (BAC)/D-mannitol Concentration (mg/mL) Mean particle size (nm) 154 1/0.125/0.01/0/0 11.11 214 155 1/0.125/0.001/0/0 11.03 432
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/carboxymethylcellulose sodium (CMC Na)/polysorbate 80 1 part by weight/0.05 parts by weight/0.1 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 13.47 mg/mL and a mean particle size of 264 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, carboxymethylcellulose sodium (CMC Na), polysorbate 80, and an aqueous glucose solution in accordance with Example 152 except that: the thickening agent was changed from hydroxypropylcellulose (HPC) to carb
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/carboxymethylcellulose sodium (CMC Na)/polysorbate 80 1 part by weight/0.05 parts by weight/0.001 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 12.77 mg/mL and a mean particle size of 252 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, carboxymethylcellulose sodium (CMC Na), polysorbate 80, and an aqueous glucose solution in accordance with Example 152 except that: the thickening agent was changed from hydroxypropylcellulose (HPC) to
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/carboxymethylcellulose sodium (CMC Na)/polysorbate 80 1 part by weight/0.025 parts by weight/0.1 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 13.16 mg/mL and a mean particle size of 220 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, carboxymethylcellulose sodium (CMC Na), polysorbate 80, and an aqueous glucose solution in accordance with Example 152 except that: the thickening agent was changed from hydroxypropylcellulose (HPC) to
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/carboxymethylcellulose sodium (CMC Na)/polysorbate 80 1 part by weight/0.025 parts by weight/0.001 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 12.47 mg/mL and a mean particle size of 187 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, carboxymethylcellulose sodium (CMC Na), polysorbate 80, and an aqueous glucose solution in accordance with Example 152 except that: the thickening agent was changed from hydroxypropylcellulose (HPC)
  • Example Compositional ratio (parts by weight) N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/ carboxymethylcellulose sodium (CMC Na)/ polysorbate 80/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 156 1/0.05/0.1/0/0 13.47 264 157 1/0.05/0.001/0/0 12.77 252 158 1/0.025/0.1/0/0 13.16 220 159 1/0.025/0.001/0/0 12.47 187
  • a nanoparticle composition having composition of N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/carboxymethylcellulose sodium (CMC Na)/sodium lauryl sulfate 1 part by weight/0.05 parts by weight/0.001 parts by weight and having N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine with a concentration of 10.70 mg/mL and a mean particle size of 255 nm was obtained from N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine, carboxymethylcellulose sodium (CMC Na), sodium lauryl sulfate(, and an aqueous glucose solution in accordance with Example 152 except that: the thickening agent was changed
  • Example Compositional ratio (parts by weight) N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine/ carboxymethylcellulose sodium (CMC Na)/ sodium lauryl sulfate/benzalkonium chloride (BAC)/ D-mannitol Concentration (mg/mL) Mean particle size (nm) 160 1/0.05/0.001/0/0 10.70 255
  • a nanoparticle composition having composition of N-(3-chlorophenyl)-N-(6,7-dimethoxyquinazolin-4-yl)amine/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having a mean particle size of 1000 nm or smaller was obtained from N-(3-chlorophenyl)-N-(6,7-dimethoxyquinazolin-4-yl)amine, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannitol, and an aqueous glucose solution in accordance with Example 1 except that N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride
  • a nanoparticle composition having composition of N-[2-[[2-(dimethylamino)ethyl]methylamino]-5-[[4-(1H-indol-3-yl)-2-pyrimidinyl]amino]-4-methoxyphenyl]-2-propanamide/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having a mean particle size of 1000 nm or smaller was obtained from N-[2-[[2-(dimethylamino)ethyl]methylamino]-5-[[4-(1H-indol-3-yl)-2-pyrimidinyl]amino]-4-methoxyphenyl]-2-propanamide, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium chloride (BAC), D-mannito
  • a nanoparticle composition having composition of N4-[3-chloro-4-(thiazol-2-ylmethoxy)phenyl]-N6-[4(R)-methyl-4,5-dihydroxyoxazol-2-yl]quinazoline-4,6-diamine ditoluenesulfonate/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having a mean particle size of 1000 nm or smaller was obtained from N4-[3-chloro-4-(thiazol-2-ylmethoxy)phenyl]-N6-[4(R)-methyl-4,5-dihydroxyoxazol-2-yl]quinazoline-4,6-diamine ditoluenesulfonate, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium
  • a nanoparticle composition having composition of (2Z)-but-2-enedionic acid N-[3-([2-[3-fluoro-4-(4-methylpiperazin-1-yl)anilino]-1H-pyrrolo[2,3-d]pyrimidin-4-yl]oxy)phenyl]prop-2-enamide/hydroxypropylcellulose (HPC)/polysorbate 80/benzalkonium chloride (BAC)/D-mannitol 1 part by weight/0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight and having a mean particle size of 1000 nm or smaller was obtained from (2Z)-but-2-enedionic acid N-[3-([2-[3-fluoro-4-(4-methylpiperazin-1-yl)anilino]-1H-pyrrolo[2,3-d]pyrimidin-4-yl]oxy)phenyl]prop-2-enamide, hydroxypropylcellulose (HPC), polysorbate 80, benzalkonium
  • Zirconia balls (zirconia milling balls, YTZ, diameter: 0.1 mm, Nikkato Corp.) were placed in the container, which was then covered with the lid.
  • Wet milling (mill/mix 2000 rpm, 1 min, loop/30 times/-10°C) was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • This nanoparticle composition was purified (13200 rpm, 15 min) using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 4- ⁇ 4-[3-(4-chloro-3-trifluoromethylphenyl)-ureido]-3-fluorophenoxy ⁇ pyridine-2-carboxylic acid methylamide to 1.72 mg/mL.
  • Zirconia balls (zirconia milling balls, YTZ, diameter: 1.0 mm, Nikkato Corp.) were placed in the container, which was then covered with the lid.
  • Wet milling (mill/mix 2000 rpm, 1 min, loop/10 times/-10°C) was performed using Rotation/Revolution Nano Pulverizer (NP-100, Thinky Corp.).
  • the milled product was diluted (mill/mix 400 rpm, 5 min) by the addition of an aqueous glucose solution, and the zirconia balls were removed through a screen (Clean Media 2000 rpm, 1 min, mill/mix 400 rpm, 1 min) to obtain a nanoparticle composition.
  • the nanoparticle composition prepared in Reference Example 12 was purified using Micro Refrigerated Centrifuge (3740, Kubota Corp.) to adjust the concentration of 4- ⁇ 4-[3-(4-chloro-3-trifluoromethylphenyl)-ureido]-3-fluorophenoxy ⁇ pyridine-2-carboxylic acid methylamide to 2.06 mg/mL.
  • microparticle composition having 4- ⁇ 4-[3-(4-chloro-3-trifluoromethylphenyl)-ureido]-3-fluorophenoxy ⁇ pyridine-2-carboxylic acid methylamide with a particle size of 5.15 ⁇ m in terms of D50 was prepared.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a particle size of 8.56 ⁇ m in terms of D50.
  • a microparticle composition having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 0.17 mg/mL and D50 of 6.83 ⁇ m was obtained in accordance with Comparative Example 1 except that N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was used instead of 4- ⁇ 4-[3-(4-chloro-3-trifluoromethylphenyl)-ureido]-3-fluorophenoxy ⁇ pyridine-2-carboxylic acid methylamide. [Table 37] Comparative Example Particle size (D50, ⁇ m) 3 8.56 4 6.83
  • N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate was weighed into a polypropylene container and prepared into a suspension by the addition of an aqueous solution of phosphate-buffered saline. Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid. Wet milling was performed using a rotation/revolution mixer (Awatori-Rentaro ARE-310).
  • the milled product was diluted by the addition of an aqueous solution of phosphate-buffered saline.
  • wet milling was performed using a rotation/revolution mixer, and the milled product was diluted by the addition of an aqueous solution of phosphate-buffered saline to obtain a microsuspension having N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate with a concentration of 5.27 mg/mL.
  • N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate had a particle size of 4.80 ⁇ m in terms of D50.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • wet milling was performed using a rotation/revolution mixer to obtain a microsuspension having methyl (3Z)-3-[( ⁇ 4-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl ⁇ amino)(phenyl)methylidene]-2-oxo-2 ⁇ 3-dihydro-1H-indole-6-carboxylate with a concentration of 1.13 mg/mL.
  • methyl (3Z)-3-[( ⁇ 4-[N-methyl-2-(4-methylpiperazin-1-yl)acetamido]phenyl ⁇ amino)(phenyl)methylidene]-2-oxo-2 ⁇ 3-dihydro-1H-indole-6-carboxylate had a particle size of 5.37 ⁇ m in terms of D50.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight
  • N-[4-[[3-chloro-4-[(3-fluorobenzyl)oxy]phenyl]amino]quinazolin-6-yl]acrylamide had a particle size of 4.87 ⁇ m in terms of D50.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid. Wet milling was performed using a rotation/revolution mixer (Awatori-Rentaro ARE-310).
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • 6-(6, 7-dimethoxyquinazolin-4-yl) oxy-N,2-dimethyl-1-benzofuran-3-carboxamide had a particle size of 2.73 ⁇ m in terms of D50.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 1 part by weight/0.2 parts by weight/0.002 parts by weight/0.2 parts by weight
  • N-(3-ethynylphenyl)-7, 8, 10, 11, 13, 14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine had a particle size of 11.44 ⁇ m in terms of D50.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • Wet milling was performed using a rotation/revolution mixer (Awatori-Rentaro ARE-310).
  • 3-(2-imidazo[1,2-b]pyridazin-3-ylethynyl)-4-methyl-N-[4-[(4-methylpiperazin-1-yl)methyl]-3-(trifluoromethyl)phenyl]benzamide had a particle size of 4.42 ⁇ m in terms of D50.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.5 parts by weight/0.1 parts by weight/0.001 parts by weight/0.1 parts by weight
  • N-methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide had a particle size of 6.83 ⁇ m in terms of D50.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.125 parts by weight/0.025 parts by weight/0.00025 parts by weight/0.025 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine hydrochloride had a particle size of 7.20 ⁇ m in terms of D50 in the microparticle composition.
  • Stainless beads (diameter: 3.0 mm, Bio-Medical Science Co., Ltd.) were placed in the container, which was then covered with the lid.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.125 parts by weight/0.025 parts by weight/0.00025 parts by weight/0.025 parts by weight.
  • HPC hydroxypropylcellulose
  • BAC benzalkonium chloride
  • D-mannitol 0.125 parts by weight/0.025 parts by weight/0.00025 parts by weight/0.025 parts by weight
  • N-(3-chloro-4-fluorophenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine had a particle size of 7.07 ⁇ m in terms of D50 in the microparticle composition.
  • Test Example 1 Pharmacokinetics of nanoparticle composition of present invention and microparticle composition of Comparative Example administered at single dose by ocular instillation to rat
  • Each nanoparticle composition was administered at a single dose by ocular instillation to the right eyes of male Brown Norway rats.
  • Four to 7 hours after the ocular instillation each rat was euthanized, and the right eyeball was excised. The eyeball was washed, and an eyeball tissue sample (choroid/sclera) was then harvested.
  • a given amount of a 50 vol% methanol solution was added to the harvested eyeball tissue sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 10 mmol/L ammonium acetate solution was added thereto to prepare an assay sample.
  • Table 38 revealed that compound II in the form of a nanoparticle composition having a mean particle size of 1000 nm or smaller exhibits drastically enhanced transfer to the choroid and/or the sclera.
  • Test Example 2 Pharmacokinetics of nanoparticle composition of present invention administered at single dose by ocular instillation to rat
  • nanoparticle compositions of the present invention prepared according to Examples 1, 7, 9, 15, 27, 29 and 39 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation to rats.
  • n 2 for each group.
  • each rat was euthanized, and the right eyeball was excised. The eyeball was washed, and a choroid/sclera sample was then harvested.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/sclera sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 10 mmol/L ammonium acetate solution was added thereto to prepare an assay sample.
  • Example 39 Example No. for reference Compound Formulation concentration (mg/mL) Mean particle size (nm) Concentration in choroid and sclera (ng/g) Concentration in choroid and sclera (ng/g) /formulation concentration (mg/mL)
  • Example 1 1.26 130 1330 1060
  • Example 7 II 1.65 189 1320 800
  • Example 9 II 1.51 167 1580 1050
  • Example 15 0.410 421 400 976
  • Example 27 II 1.59 94 1020 642 Example 29 II 1.58 96 1440 911
  • Example 39 II 1.57 111 1130 920
  • Table 39 revealed that: compound II in the form of a nanoparticle composition having a mean particle size of smaller than 400 nm is preferred for transfer to the choroid and/or the sclera; compound II having a mean particle size of smaller than 200 nm is more preferred for transfer to the choroid and/or the sclera; and compound II having a mean particle size of smaller than 120 nm is further preferred for transfer to the choroid and/or the sclera.
  • Test Example 3 Pharmacokinetics of nanoparticle composition of present invention administered at single dose by ocular instillation to rat
  • nanoparticle compositions of the present invention prepared in accordance with Examples 1 and 26 and the nanoparticle compositions of the present invention obtained in Examples 50, 52, 53, 54, 57 and 96 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation to rats.
  • n 2 for each group.
  • Four hours after the ocular instillation each rat was euthanized, and the right eyeball was excised. The eyeball was washed, and a choroid/sclera sample was then harvested.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/sclera sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 10 mmol/L ammonium acetate solution was added thereto to prepare an assay sample.
  • Example No. for reference or Example No. Compound Formulation concentration (mg/mL) Mean particle size (nm) Concentration in choroid and sclera (ng/g) Concentration in choroid and sclera (ng/g) /formulation concentration (mg/mL)
  • Example 1 II 1.26 130 1110 881
  • Example 26 II 1.61 145 1130 702
  • Example 50 II 1.31 133 1170 893
  • Example 52 II 1.35 137 654 484
  • Example 54 II 1.30 203 1020 785
  • Example 57 II 1.62 128 1130 698 Example 96 II 2.06 206 460 223
  • Example 96 which was an eye ointment obtained with glycerol as a dispersion media, exhibited reduced transfer into the choroid and/or the sclera.
  • Test Example 4 Pharmacokinetics of nanoparticle composition of present invention and microparticle composition of Comparative Example administered at single dose by ocular instillation to rabbit
  • nanoparticle compositions of the present invention prepared according to Examples 1 and 40, the nanoparticle composition of the present invention obtained in Example 84, and the microparticle composition prepared according to Comparative Example 5 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation (20 ⁇ L/eye) to Kbl:Dutch rabbits.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/retina sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 10 mmol/L ammonium acetate solution was added thereto to prepare an assay sample.
  • Tables 41 and 42 revealed that: compound II in the form of a nanoparticle composition having a mean particle size of smaller than 400 nm is preferred for transfer to the choroid and/or the retina; compound II having a mean particle size of smaller than 150 nm is more preferred for transfer to the choroid and/or the retina; and compound II having a mean particle size of smaller than 70 nm is further preferred for transfer to the choroid and/or the retina.
  • Tables 41 and 42 demonstrated that when the nanoparticle composition of the present invention and the microparticle composition of Comparative Example were administered at a single dose by ocular instillation to rabbits, compound II having a smaller particle size exhibited higher transfer to the choroid and/or the retina.
  • Test Example 5 Pharmacokinetics of nanoparticle composition obtained in Reference Example and microparticle composition of Comparative Example administered at single dose by ocular instillation to rabbit
  • the nanoparticle compositions obtained in Reference Examples 11 to 13 and the microparticle composition prepared according to Comparative Example 1 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation (20 ⁇ L/eye) to Kbl:Dutch rabbits.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/retina sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 10 mmol/L ammonium acetate solution was added thereto to prepare an assay sample.
  • Table 43 revealed that when the nanoparticle composition obtained in Reference Example and the microparticle composition of Comparative Example were administered at a single dose by ocular instillation to rabbits, the transfer of compound III to the choroid was very low for all the particle sizes evaluated.
  • Test Example 6 Pharmacokinetics of nanoparticle composition of present invention prepared according to Example 1 and microparticle composition prepared according to Comparative Example 1, administered at single dose by ocular instillation to cynomolgus monkey
  • the nanoparticle composition of the present invention prepared according to Example 1 and the microparticle composition prepared according to Comparative Example 1 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation to male cynomolgus monkeys.
  • the nanoparticle composition of the present invention prepared according to Example 1 was administered by ocular instillation (50 ⁇ L/eye) to the right eye of each animal, while the microparticle composition prepared according to Comparative Example 1 was administered by ocular instillation (50 ⁇ L/eye) to the left eye thereof.
  • Four hours or 48 hours (n 2 for each point in time) after the ocular instillation, blood was collected. Then, the animal was euthanized, and the eyeballs were excised. The eyeballs were washed, and a choroid tissue was then harvested.
  • the concentration in the choroid of N-[2-chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate (compound II) comprised in the nanoparticle composition of the present invention prepared according to Example 1 was much higher than that of regorafenib (compound III) comprised in the microparticle composition prepared according to Comparative Example 1.
  • Test Example 7 Anti-angiogenic effect of nanoparticle composition of present invention on laser-induced choroidal neovascularization model of rat
  • This test aims at evaluating whether or not the nanoparticle composition of the present invention exhibits an anti-angiogenic effect on a laser-induced choroidal neovascularization model of a rat, which is a typical wet age-related macular degeneration model.
  • a ketamine hydrochloride/xylazine hydrochloride (7:1, v/v) mixed solution was intramuscularly administered (1 mL/kg) to the femur for general anesthesia.
  • the right eyeground was observed using a slit lamp, and 8 sites in the retina were irradiated with laser (wavelength: 532 nm, spot size: 80 ⁇ m, irradiation time: 0.05 sec, output: 120 mW) using a multicolor laser photocoagulator to prepare laser-induced choroidal neovascularization model animals.
  • a vehicle of Example 1 or the nanoparticle composition of the present invention obtained in each of Examples 1 and 2 was administered twice a day by ocular instillation (5 ⁇ L/eye, 6 hr:18 hr interval) to each model animal from immediately after the laser irradiation to 14 days after the laser irradiation.
  • Aflibercept EYLEA(Registered Trademark) solution for intravitreal injection, Bayer Corp.
  • a 4% (v/v) FITC-dextran solution was administered (1 mL/animal) to the tail vein under general anesthesia.
  • the animal was euthanized by excessive anesthesia through isoflurane (Mylan N.V.) inhalation, and the eyeballs were excised.
  • the excised eyeballs were fixed for 24 hours in a 0.1 mol/L phosphate buffer solution containing 4% paraformaldehyde (PFA).
  • a hole was made in the corneal limbus of the eyeballs thus fixed using an injection needle under a stereoscopic microscope (EZ-4, Leica Microsystems GmbH), and the whole cornea, the iris and the crystalline lens were resected starting at the hole to create an optic cup state. Retina tissues other than retinal pigment epithelial cells were detached, and the optic cup was divided. Fluoromount (Diagnostic BioSystems (DBS)) was added dropwise thereto. A preparation was prepared by enclosure with a cover glass and dried at 4°C for 24 hours in the dark.
  • DBS Diagnostic BioSystems
  • a choroidal neovascular site was photographed using a confocal microscope (Nikon ECLIPSE TE 2000-U).
  • an area (unit: pixel) that contained a newly formed blood vessel and was at the inner side relative to the highest raised portion was calculated using ImageJ (National Institutes of Health). Then, an average neovascular area of 3 or more sites, except for obscure laser irradiation sites, among data on the 8 sites per eye was used as an individual value to calculate an average area of each group.
  • Example 1 Vehicle of Example 1 Aflibercept (EYLEA)
  • Example 1 Mean 127002.7 102931.7 ⁇ 106577.7 ⁇ 93936.9 ⁇ Standard deviation 12460.8 18761.7 14207.9 12632.9 Standard error 3456.0 5416.0 3940.5 3503.7
  • nanoparticle compositions of the present invention obtained in Examples 1 and 2 were administered by ocular instillation to the laser-induced choroidal neovascularization models of rats, an anti-angiogenic effect equivalent to or higher than that of aflibercept (EYLEA, intravitreal injection) was confirmed.
  • Test Example 8 Pharmacological effects of nanoparticle composition of present invention and solution of Comparative Example on laser-induced choroidal neovascularization model of cynomolgus monkey
  • This test aims at evaluating whether or not the nanoparticle composition of the present invention exhibits a pharmacological effect on a laser-induced choroidal neovascularization model of a cynomolgus monkey, which is a typical wet age-related macular degeneration model.
  • the retinal laser lens was pressure-bonded to the eyes to be irradiated, and a yellow spot was confirmed. After the confirmation of a yellow spot, 8 sites around the yellow spot excluding the central pit were irradiated with green laser (wavelength: 532 nm, irradiation spot size: 80 ⁇ m, irradiation time: 0.1 sec, output: 1000 mW) using a multicolor laser photocoagulator (MC-500, Nidek Co., Ltd.).
  • Ophthalmoscopic examination was carried out during the acclimatization period (day-1) and during the administration period (administration days 7, 14, 21, 28 and 34). Macroscopic examination and light reflex examination were carried out using a portable slit lamp (SL-15, Kowa Co., Ltd.). Drops of a mydriatic agent were placed in the animal eyes. After confirmation of mydriasis, ketamine hydrochloride (50 mg/mL) was intramuscularly administered (0.2 mL/kg or 10 mg/kg) to each animal.
  • the anterior segment of the eye and the ocular media were examined using a portable slit lamp, while the eyegrounds were examined using a head-type binocular indirect ophthalmoscope (IO- ⁇ Small Pupil, Neitz Instruments Co., Ltd.).
  • the eyegrounds were photographed using a fundus camera (VX-10 ⁇ , Kowa Co., Ltd.) in all cases.
  • Fluorescein fundus angiography was carried out during the acclimatization period (day -1) and during the administration period (administration days 7, 14, 21, 28 and 34).
  • a contrast medium (Fluorescite Intravenous Injection 500 mg, Alcon Japan Ltd.) was administered (0.1 mL/kg or 0.1 mL/s) from the cephalic vein of the forearm under mydriasis and anesthesia of the macroscopic examination and the ophthalmoscopic examination.
  • photographs were taken using a fundus camera.
  • Choroidal neovascular grading was carried out on an irradiation spot basis.
  • Example 2 When the nanoparticle composition of the present invention obtained in Example 1 was administered by ocular instillation to the laser-induced choroidal neovascularization models of cynomolgus monkeys, an anti-angiogenic effect equivalent to that of aflibercept (EYLEA, intravitreal injection) was confirmed and the effect was much higher than that of the solution composition obtained in Comparative Example 2.
  • EYLEA intravitreal injection
  • This test aims at evaluating whether or not the nanoparticle composition of the present invention exhibits a pharmacological effect on an oxygen-induced retinopathy model of a mouse, which is a typical diabetic retinopathy model.
  • the eyeballs were excised and fixed by treatment with 4% paraformaldehyde at room temperature for 1 hour. Retina tissues were isolated from the fixed eyeballs and stained with a calcium chloride buffer solution containing Isolectin-B4. The eyeballs were washed, and a flat mount preparation was then prepared. A neovascular area (the ratio of a neovascular area to the total tissue area of the retina) in the retina was evaluated under a microscope.
  • Test Example 10 Pharmacokinetics of nanoparticle composition of present invention and microparticle composition of Comparative Example administered at single dose by ocular instillation to rat
  • the nanoparticle compositions of the present invention obtained in Example 101, Example 108, Example 112, Reference Example 9 and Reference Example 10 and the microparticle compositions of Comparative Examples 6, 7, 8, 9 and 10 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation to Brown-Norway rats.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/retina sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 0.1 vol% formic acid solution was added thereto to prepare an assay sample.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 0.1 vol% formic acid solution was added thereto to prepare an assay sample.
  • Table 50 demonstrated that in the comparison between the microparticle composition and the nanoparticle composition, compound V and compound VI did not differ in transfer to the choroid and/or the sclera, whereas compound IV in the form of the nanoparticle composition exhibited moderately improved transfer and compound VII and compound VIII in the form of the nanoparticle composition exhibited drastically improved transfer.
  • Test Example 11 Pharmacokinetics of nanoparticle composition of present invention and microparticle composition of Comparative Example administered at single dose by ocular instillation to rat
  • the nanoparticle composition of the present invention obtained in Example 145 and the microparticle composition of Comparative Example 16 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation to Brown-Norway rats.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/sclera sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 0.1 vol% formic acid solution was added thereto to prepare an assay sample.
  • the blood sample was centrifuged to harvest a plasma sample. Acetonitrile was added to the plasma sample, and the mixture was stirred. Then, the sample was centrifuged, and the supernatant was harvested. A 0.1 vol% formic acid solution was added thereto to prepare an assay sample.
  • Example No. or Comparative Example No. Compound Formulation concentration (mg/mL) Mean particle size or D50 (nm) Concentration in choroid and sclera (ng/g) Concentration in choroid and sclera (ng/g) /formulation concentration (mg/mL)
  • Table 51 demonstrated that in the comparison between the microparticle composition and the nanoparticle composition, the nanoparticle composition drastically improved transfer to the choroid and/or the sclera.
  • Test Example 12 Pharmacokinetics of nanoparticle composition of present invention and microparticle composition of Comparative Example administered at single dose by ocular instillation to rat
  • the nanoparticle composition of the present invention obtained in Example 153 and the microparticle composition of Comparative Example 17 were evaluated for their pharmacokinetics when administered at a single dose by ocular instillation to Brown-Norway rats.
  • blood was collected.
  • the animal was euthanized, and both the eyeballs were excised. The eyeballs were washed, and a choroid/sclera sample was then harvested.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/sclera sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 0.1 vol% formic acid solution was added thereto to prepare an assay sample.
  • the blood sample was centrifuged to harvest a plasma sample. Acetonitrile was added to the plasma sample, and the mixture was stirred. Then, the sample was centrifuged, and the supernatant was harvested. A 0.1 vol% formic acid solution was added thereto to prepare an assay sample.
  • Example No. or Comparative Example No. Compound Formulation concentration (mg/mL) Mean particle size or D50 (nm) Concentration in choroid and sclera (ng/g) Concentration in choroid and sclera (ng/g) /formulation concentration (mg/mL)
  • Table 52 demonstrated that in the comparison between the microparticle composition and the nanoparticle composition, the nanoparticle composition drastically improved transfer to the choroid and/or the sclera.
  • Test Example 13 Pharmacokinetics of vascular endothelial growth factor (VEGF) receptor inhibitor or epidermal growth factor (EGF) receptor inhibitor intravenously administered at single dose to rat
  • VEGF vascular endothelial growth factor
  • EGF epidermal growth factor
  • Each compound was dissolved in DMA.
  • Compound II was mixed with the DMA solutions of 4 compounds, and the mixture was diluted with saline containing 3.3 (w/v) % Tween 80 to prepare 7 types of intravenous dosing solutions.
  • Each intravenous dosing solution was administered (0.5 mL/kg) to the tail vein of each Brown Norway rat. Twenty-four, 72 and 168 hours after the administration, blood was collected. Then, the animal was euthanized, and the eyeballs were excised. The eyeballs were washed, and a choroid/sclera sample was then harvested.
  • Table 53 shows the half-lives in the choroid and/or the sclera of the VEGF receptor inhibitors intravenously administered to the rats.
  • Compound Dose (mg/kg) Half-life in choroid and sclera (hr) Axitinib 0.2 57.4 Anlotinib 0.2 141 Cabozantinib 0.2 65.8 Glesatinib 0.2 132 Sunitinib 0.2 187 Nintedanib 0.2 194 Ponatinib 0.1 191
  • Rebastinib not calculated N-[2-Chloro-4-(6,7-dimethoxyquinolin-4-yloxy)phenyl]-N'-(5-methylisoxazol-3-yl)urea hydrochloride hydrate 0.2 52.2, 60.1, 40.7, 60.2, 79.3, 103, 69.8
  • Table 54 shows the half-lives in the choroid and/or the sclera of the EGFR inhibitors intravenously administered to the rats.
  • Test Example 14 Pharmacokinetics of microparticle composition of Comparative Example 1 administered at single dose by ocular instillation to rat
  • the microparticle composition was administered by ocular instillation to the right eye of each male Brown Norway rat. 0.5 to 96 hours after the ocular instillation, the rat was euthanized, and the right eyeball was excised. The eyeball was washed, and a choroid/sclera sample was then harvested.
  • a given amount of a 50 vol% methanol solution was added to the harvested choroid/sclera sample, which was then homogenized. Acetonitrile was further added thereto, and the mixture was stirred. The sample was centrifuged, and the supernatant was harvested. A 10 mmol/L ammonium acetate solution was added thereto to prepare an assay sample.
  • the drug concentration in the assay sample was measured using a liquid chromatograph-tandem mass spectrometer (LC/MS/MS). Also, the elimination half-life of compound III in the choroid and/or the sclera was calculated from change in the concentration of compound III in the choroid and/or the sclera.
  • the microparticle composition obtained in Comparative Example 1 had an elimination half-life of 29.7 hours in the choroid and/or the sclera when administered at a single dose by ocular instillation to the rats.
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